【正文】
) 7. Median Charts 之常數(shù)2023/3/15如何建立一個(gè) SPC管制圖 Charts 之常數(shù)2023/3/15 Variable SPC圖之計(jì)算公式2023/3/15 Variable SPC圖之計(jì)算公式2023/3/15SPC CHARTS COLLECTION CONTROLS * 訂定初期管制界限 * 鑒別和清除特殊變因 * 量化一般變因 (COMMON CAUSE) * 訂定改善行動(dòng)以減少變異 2023/3/15SPC管制圖選擇流程2023/3/15持續(xù)改善周期 ? what should the process be doing ? what cango wrong ? what is the process doing ? Achieve a state of statiscal fontrol ? Detenmine Capability ? Monitor Process Performance ? Detect special causes variation and act upon it2023/3/15持續(xù)改善周期 ? change the process to better understand mon cause variation ? Reduce the mon cause variation ? Management support mitment